Three Newly-discovered Streams Arcing
by Stocktrek Images
Title
Three Newly-discovered Streams Arcing
Artist
Stocktrek Images
Medium
Digital Art - Illustration
Description
Three newly-discovered streams arcing high over the Milky Way Galaxy are remnants of cannibalized galaxies and star clusters. The streams are between 13,000 and 130,000 light-years distant from Earth and extend over much of the northern sky. Two of the newly discovered streams are almost certainly the remains of ancient star clusters. Known to astronomers as globular clusters, these giant stellar cities contain between tens of thousands and millions of stars. The third stream is spread over a much larger region of the sky, and is most likely the scattered remains of a dwarf galaxy. Such dwarf galaxies may contain up to 100 million stars, along with sometimes substantial amounts of mysterious dark matter.
Uploaded
December 8th, 2011
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